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-rw-r--r--include/linux/fs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 20a7afd..4ed7e60 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -757,6 +757,13 @@ extern void send_sigio(struct fown_struct *fown, int fd, int band);
extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg);
extern int fcntl_getlease(struct file *filp);
+/* fs/sync.c */
+#define SYNC_FILE_RANGE_WAIT_BEFORE 1
+#define SYNC_FILE_RANGE_WRITE 2
+#define SYNC_FILE_RANGE_WAIT_AFTER 4
+extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte,
+ int flags);
+
/* fs/locks.c */
extern void locks_init_lock(struct file_lock *);
extern void locks_copy_lock(struct file_lock *, struct file_lock *);